Allen-Bradley 1494U-F400 - 400A, 600V, Disconnect Switch

The Allen-Bradley 1494U-F400 is a rugged disconnect switch engineered for reliable electrical isolation in demanding industrial and commercial settings. With a 400A current rating and a 600V voltage rating, it delivers dependable disconnection under load while supporting clean lockout/tagout procedures that keep maintenance teams safe.

Key specifications

• Amperage Rating: 400A
• Voltage Rating: 600V
• Product Type: Disconnect Switch
• Brand: Allen-Bradley
• Model: 1494U-F400

Why this model stands out

• Lockout/Tagout readiness: Designed to integrate with standard safety procedures, ensuring equipment remains isolated during service.
• Reliable load disconnection: Engineered to interrupt circuits safely when under load, reducing arcing risk and improving on-site safety.
• Durable for harsh environments: Built for long-term durability in busy industrial facilities and commercial installations.
• Trusted brand and compatibility: Allen-Bradley reliability with seamless integration into existing control and distribution systems.

Ideal use cases

The 1494U-F400 is an excellent choice for service disconnects, motor control centers, power distribution panels, and other heavy electrical installations where safe isolation is non-negotiable.

Installation and best practices

To maximize safety and performance, install and wire the disconnect switch within its 600V rating, use conductors sized for 400A, and follow established lockout/tagout protocols. Reference your system’s wiring diagram and local electrical codes. Regularly inspect the mechanism to ensure smooth operation and verify that the disconnect reliably opens and closes under load.

Maintenance and long-term care

Schedule periodic functional checks and visual inspections, keeping contacts clean and free from corrosion. Proper storage and handling will help preserve the device’s performance in challenging environments.

Ready to upgrade your facility’s safety and reliability? The Allen-Bradley 1494U-F400 delivers robust electrical isolation at 400A and 600V, backed by the brand’s reputation for quality and enduring performance. Add it to your cart today to ensure precise, safe, and durable disconnection for your heavy-duty applications.